NSN 4820-00-482-0997 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-482-0997. Manufacturer of record part number: 1854.
Also searched as4820-00-482-0997 ·
4820004820997 ·
NIIN 004820997 ·
00-482-0997 ·
FSC 4820 Valves, Nonpowered · CAGE 13669 · 1854
Body Outside Diameter: 0.338 INCHES MINIMUM AND 0.342 INCHES MAXIMUM IN
Style Designator: PLAIN
Body Inside Diameter: 0.171 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN
Material: PLASTIC POLYAMIDE NYLON OVERALL
Seat Angle in Deg: 45.000 NOMINAL
Seating Surface Shape: ANGULAR
1 manufacturer part number on file
Identification
NSN: 4820-00-482-0997
NIIN: 004820997
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1854
Manufacturer: Tescom Corp Dba Tescom Div Tescom
General Description
The Seat,valve, cataloged under National Stock Number 4820-00-482-0997, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tescom Corp Dba Tescom Div Tescom. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-00-482-0997?
NSN 4820-00-482-0997 is a Seat,valve, manufactured by Tescom Corp Dba Tescom Div Tescom, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-482-0997?
NSN 4820-00-482-0997 has 1 manufacturer part number on file: 1854 (Tescom Corp Dba Tescom Div Tescom).
What are the specifications of 1854?
Key specifications for 1854: Overall Height: 0.118 INCHES MINIMUM AND 0.123 INCHES MAXIMUM IN; Body Outside Diameter: 0.338 INCHES MINIMUM AND 0.342 INCHES MAXIMUM IN; Style Designator: PLAIN; Body Inside Diameter: 0.171 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-482-0997 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.